| Challenge: | Existing methods for Natural Language Understanding focus on textual signals, which hinders models from learning efficiently from limited data samples. |
| Approach: | They propose an Imagination-Augmented Cross-modal Encoder to solve natural language understanding tasks from a novel learning perspective. |
| Outcome: | The proposed learning paradigm bridges the gap between human and agent language understanding in both linguistic and perceptual procedures. |
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Learning to Imagine: Visually-Augmented Natural Language Generation (2023.acl-long)
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| Challenge: | Existing methods for natural language generation are pre-trained on text-only corpora, resulting in visual commonsense. |
| Approach: | They propose a method that makes pre-trained language models learn to imagine for visually-augmented natural language generation. |
| Outcome: | The proposed method is compatible with Transformer-based architecture. |
Leveraging Visual Knowledge in Language Tasks: An Empirical Study on Intermediate Pre-training for Cross-Modal Knowledge Transfer (2022.acl-long)
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| Challenge: | Pre-trained language models lack visual knowledge of common objects due to reporting bias. |
| Approach: | They investigate whether integrating visual knowledge into a language model can fill the gap . they use captions and images to transfer visual knowledge to 5 downstream tasks . |
| Outcome: | The proposed model can improve performance on 5 tasks that may need visual knowledge to solve the problem. |
Knowledge-Augmented Methods for Natural Language Processing (2022.acl-tutorials)
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| Challenge: | Knowledge in natural language processing (NLP) is a rising trend especially after the advent of large scale pre-trained models. |
| Approach: | This tutorial introduces the key steps in integrating knowledge into natural language processing (NLP) it introduces knowledge grounding from text, knowledge representation and fusing. |
| Outcome: | This tutorial introduces the key steps in integrating knowledge into natural language processing including knowledge grounding from text, knowledge representation and fusing. |
CoELM: Construction-Enhanced Language Modeling (2024.acl-long)
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| Challenge: | Recent studies show that integrating constructional information can improve the performance of pre-trained language models. |
| Approach: | They propose a construction-Enhanced language model that embeds constructional semantics into language models for natural language generation. |
| Outcome: | The proposed model outperforms existing models on various benchmarks. |
Improving the Efficiency of Visually Augmented Language Models (2025.coling-main)
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| Challenge: | Autoregressive Language Models lack visual knowledge due to reporting bias in textual corpora. |
| Approach: | They propose to use visual representations obtained from CLIP multimodal system to augment autoregressive language models with visual knowledge. |
| Outcome: | The proposed model outperforms VALM for visual language understanding, natural language understanding and language modeling tasks despite being significantly more efficient and simpler. |
Language (Re)modelling: Towards Embodied Language Understanding (2020.acl-main)
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| Challenge: | Despite the rapid progress in NLU, current systems lack the rich mental representations that people use for language understanding. |
| Approach: | They propose an approach to representation and learning based on the tenets of embodied cognitive linguistics (ECL) they propose a system architecture along with a roadmap towards realizing this vision. |
| Outcome: | The proposed approach will improve the performance of existing systems and provide a roadmap towards realizing this vision. |
Neural Natural Language Inference Models Enhanced with External Knowledge (P18-1)
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| Challenge: | Existing datasets that allow for complex models to be trained are limited . if data is not available, can machines learn all knowledge needed to perform natural language inference? |
| Approach: | They propose to enrich neural natural language inference models with external knowledge . they propose to use this knowledge to build NLI models to leverage it . |
| Outcome: | The proposed models improve on the SNLI and MultiNLI datasets. |
Generative Imagination Elevates Machine Translation (2021.naacl-main)
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| Challenge: | Existing multimodal neural machine translation methods require triplets of bilingual sentence - image for training and tuples of source sentence . Existing methods require truncated images for inference, but ImagiT uses both source sentence and “imagined representation” to produce a target translation. |
| Approach: | They propose a multimodal machine translation method using visual imagination to generate a target translation from a sentence in a source language. |
| Outcome: | The proposed method significantly outperforms the existing text-only neural machine translation baselines and improves translation quality. |
ImaginE: An Imagination-Based Automatic Evaluation Metric for Natural Language Generation (2023.findings-eacl)
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| Challenge: | Existing evaluation methods for natural language generation rely on token-level or embedding-level comparisons with text references. |
| Approach: | They propose to use text-to-image generator to generate an image as the embodied imagination for the text snippet and compute the imagination similarity using contextual embeddings. |
| Outcome: | The proposed metric improves existing evaluation metrics’ correlations with human similarity judgments in both reference-based and reference-free scenarios. |
Effect of Visual Extensions on Natural Language Understanding in Vision-and-Language Models (2021.emnlp-main)
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| Challenge: | Existing methods for creating vision-and-language models involve structural modifications and V&L pre-training. |
| Approach: | They propose to extend a language model through structural modifications and V&L pre-training to make it inherit the capability of natural language understanding from the original language model. |
| Outcome: | The proposed method improves performance of vision-and-language models by extending pre-trained models with the same pre-training. |